html,
body {
	margin: 0;
	padding: 0;
}

.header {
	position: relative;
	display: flex;
	flex-direction: row-reverse;
}

.icon-tuichu {
	margin-right: 10px;
	font-size: 20px !important;
}

.logo {
	position: absolute !important;
	top: 0;
	left: 20px;
}

.icon-home,
.icon-16,
.icon-user {
	margin-right: 10px;

}

.layui-nav-tree {
	height: 90vh;
}

iframe {
	width: 100%;
	height: 100%;
}

.layui-body {
	width: 89.5%;
	height: 100%;
	margin-top: 60px;
	overflow: hidden;
	z-index: 99 !important;
}